podman/test/e2e/run_apparmor_test.go

// +build !remote

package integration

import (
	"fmt"
	"io/ioutil"
	"os"
	"path/filepath"

	"github.com/containers/common/pkg/apparmor"
	. "github.com/containers/podman/v4/test/utils"
	. "github.com/onsi/ginkgo"
	. "github.com/onsi/gomega"
	. "github.com/onsi/gomega/gexec"
)

// wip
func skipIfAppArmorEnabled() {
	if apparmor.IsEnabled() {
		Skip("Apparmor is enabled")
	}
}
func skipIfAppArmorDisabled() {
	if !apparmor.IsEnabled() {
		Skip("Apparmor is not enabled")
	}
}

var _ = Describe("Podman run", func() {
	var (
		tempdir    string
		err        error
		podmanTest *PodmanTestIntegration
	)

	BeforeEach(func() {
		tempdir, err = CreateTempDirInTempDir()
		if err != nil {
			os.Exit(1)
		}
		podmanTest = PodmanTestCreate(tempdir)
		podmanTest.Setup()
		podmanTest.SeedImages()
	})

	AfterEach(func() {
		podmanTest.Cleanup()
		f := CurrentGinkgoTestDescription()
		processTestResult(f)

	})

	It("podman run apparmor default", func() {
		skipIfAppArmorDisabled()
		session := podmanTest.Podman([]string{"create", ALPINE, "ls"})
		session.WaitWithDefaultTimeout()
		Expect(session).Should(Exit(0))

		cid := session.OutputToString()
		// Verify that apparmor.Profile is being set
		inspect := podmanTest.InspectContainer(cid)
		Expect(inspect[0].AppArmorProfile).To(Equal(apparmor.Profile))
	})

	It("podman run no apparmor --privileged", func() {
		skipIfAppArmorDisabled()
		session := podmanTest.Podman([]string{"create", "--privileged", ALPINE, "ls"})
		session.WaitWithDefaultTimeout()
		Expect(session).Should(Exit(0))

		cid := session.OutputToString()
		// Verify that apparmor.Profile is being set
		inspect := podmanTest.InspectContainer(cid)
		Expect(inspect[0].AppArmorProfile).To(Equal(""))
	})

	It("podman run no apparmor --security-opt=apparmor.Profile --privileged", func() {
		skipIfAppArmorDisabled()
		session := podmanTest.Podman([]string{"create", "--security-opt", fmt.Sprintf("apparmor=%s", apparmor.Profile), "--privileged", ALPINE, "ls"})
		session.WaitWithDefaultTimeout()
		Expect(session).Should(Exit(0))

		cid := session.OutputToString()
		// Verify that apparmor.Profile is being set
		inspect := podmanTest.InspectContainer(cid)
		Expect(inspect[0].AppArmorProfile).To(Equal(apparmor.Profile))
	})

	It("podman run apparmor aa-test-profile", func() {
		skipIfAppArmorDisabled()
		aaProfile := `
#include <tunables/global>
profile aa-test-profile flags=(attach_disconnected,mediate_deleted) {
  #include <abstractions/base>
  deny mount,
  deny /sys/[^f]*/** wklx,
  deny /sys/f[^s]*/** wklx,
  deny /sys/fs/[^c]*/** wklx,
  deny /sys/fs/c[^g]*/** wklx,
  deny /sys/fs/cg[^r]*/** wklx,
  deny /sys/firmware/efi/efivars/** rwklx,
  deny /sys/kernel/security/** rwklx,
}
`
		aaFile := filepath.Join(os.TempDir(), "aaFile")
		Expect(ioutil.WriteFile(aaFile, []byte(aaProfile), 0755)).To(BeNil())
		parse := SystemExec("apparmor_parser", []string{"-Kr", aaFile})
		Expect(parse).Should(Exit(0))

		session := podmanTest.Podman([]string{"create", "--security-opt", "apparmor=aa-test-profile", ALPINE, "ls"})
		session.WaitWithDefaultTimeout()
		Expect(session).Should(Exit(0))

		cid := session.OutputToString()
		// Verify that apparmor.Profile is being set
		inspect := podmanTest.InspectContainer(cid)
		Expect(inspect[0].AppArmorProfile).To(Equal("aa-test-profile"))
	})

	It("podman run apparmor invalid", func() {
		skipIfAppArmorDisabled()
		session := podmanTest.Podman([]string{"run", "--security-opt", "apparmor=invalid", ALPINE, "ls"})
		session.WaitWithDefaultTimeout()
		Expect(session).To(ExitWithError())
	})

	It("podman run apparmor unconfined", func() {
		skipIfAppArmorDisabled()
		session := podmanTest.Podman([]string{"create", "--security-opt", "apparmor=unconfined", ALPINE, "ls"})
		session.WaitWithDefaultTimeout()
		Expect(session).Should(Exit(0))

		cid := session.OutputToString()
		// Verify that apparmor.Profile is being set
		inspect := podmanTest.InspectContainer(cid)
		Expect(inspect[0].AppArmorProfile).To(Equal("unconfined"))
	})

	It("podman run apparmor disabled --security-opt apparmor fails", func() {
		skipIfAppArmorEnabled()
		// Should fail if user specifies apparmor on disabled system
		session := podmanTest.Podman([]string{"create", "--security-opt", fmt.Sprintf("apparmor=%s", apparmor.Profile), ALPINE, "ls"})
		session.WaitWithDefaultTimeout()
		Expect(session).To(ExitWithError())
	})

	It("podman run apparmor disabled no default", func() {
		skipIfAppArmorEnabled()
		// Should succeed if user specifies apparmor on disabled system
		session := podmanTest.Podman([]string{"create", ALPINE, "ls"})
		session.WaitWithDefaultTimeout()
		Expect(session).Should(Exit(0))

		cid := session.OutputToString()
		// Verify that apparmor.Profile is being set
		inspect := podmanTest.InspectContainer(cid)
		Expect(inspect[0].AppArmorProfile).To(Equal(""))
	})

	It("podman run apparmor disabled unconfined", func() {
		skipIfAppArmorEnabled()

		session := podmanTest.Podman([]string{"create", "--security-opt", "apparmor=unconfined", ALPINE, "ls"})
		session.WaitWithDefaultTimeout()
		Expect(session).Should(Exit(0))

		cid := session.OutputToString()
		// Verify that apparmor.Profile is being set
		inspect := podmanTest.InspectContainer(cid)
		Expect(inspect[0].AppArmorProfile).To(Equal(""))
	})
})